85208840

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2539}}^1$

素因数の和:3389

約数の個数: 32

約数和(自身を含む): 192024000

約数和(自身を除く): 106815160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 2539, 3356, 4195, 5078, 6712, 8390, 10156, 12695, 16780, 20312, 25390, 33560, 50780, 101560, 2130221, 4260442, 8520884, 10651105, 17041768, 21302210, 42604420, 85208840]

約数ペア:

[(1, 85208840), (2, 42604420), (4, 21302210), (5, 17041768), (8, 10651105), (10, 8520884), (20, 4260442), (40, 2130221), (839, 101560), (1678, 50780), (2539, 33560), (3356, 25390), (4195, 20312), (5078, 16780), (6712, 12695), (8390, 10156)]